![]() ![]() If you’ve enough to invest, the best approach is getting a spark plug wire heat shield, boot protector, or boot sleeves. So, the last thing you want is your spark plug wire getting damaged from the header. How to Protect Spark Plug Wires from Headers? The lack of electric sparks in the engine’s combustion chamber causes it to burn less fuel, hence decreasing its performance. If its wiring is damaged, the ignition process doesn’t carry out properly. The Consequence of Spark Plug Wires Burning & Melting Credit: that_2001_tacoma / InstagramĪs you know, the spark plug is responsible for setting the initial spark and igniting the engine. This is how they burn or melt through prolonged contact. When it heats, it transfers that heat onto the spark plug’s wiring most of the time. It’s almost always in close contact with the spark plug wires. The spark plug and its wiring are placed directly beside the header. As the expelled gas is hot, the engine header gets heated up sequentially. To solve the problem, we should first understand why spark plug wires burn or melt from engine headers.Įngine headers are an add-on part that makes it easy for the engine to expel exhaust gases from the cylinder. Why Do Spark Plug Wires Melt from Headers Read on to know how to use these insulating agents to ensure the longevity of your spark plug. Insulating the spark plug wires with boot sleeves and installing heat shields are the way to go. So, how to protect spark plug wires from headers? But prevention is better than cure, as the proverb goes. You might think – becoming an expert in replacing spark plugs will ease the issue. It’s a nasty predicament, and getting the repair work done by professionals might break the bank. For universal sets you’ll need a quality spark plug wire stripper and crimper to get the job done, but the end results are certainly worth the investment in these tools.As a car owner, you must’ve experienced the pain of your car’s spark plug wire burning from the engine header. You can even purchase bulk and individual wires for custom situations where you wish to hide the coil for example. So be sure of your distributor cap type (see our graphic above) and order your universal wire set accordingly. These kits often are supplied with both HEI and socket style terminals and boots, making them truly universal no matter what distributor cap you have, but not all kits do. The universal wire set comes terminated at the spark plug end and allows you to route the wires as you best see fit, and then terminate the end at the distributor cap for a super clean installation and no extra wire length to deal with. ![]() That is when we strongly recommend a universal wire set. Where it can get a little sticky is when you’re dropping that small block Chevy into a 1929 Ford pickup truck with the ignition coil mounted inside the cowl for example. We even offer performance spark plug wire options for the popular GM LS engine family, including direct replacement and swap wire kits. Several additional performance spark plug wire options that can be had in universal cut-to-fit or pre-cut ready to install wires include Accel, Moroso, PerTronix, and Taylor. Of course, MSD’s wire products are just one of several brands carried by Speedway Motors. The Super Conductor wire will have as low as 40-50 ohms per foot, while a factory set can have up to 1,500 ohms of resistance per foot or more and go considerably higher as they wear/age. It features a conductor that is helically wound around a special center core that is designed to suppress Electro Magnetic Interference (EMI). ![]() MSD also offers the 8.5mm Super Conductor Wire, recommended to be used with any ignition control box upgrade. A popular option commonly used on the average street and strip application are the Street-Fire wires from MSD. A Heli-Core wire (one that uses a spiral wound core and conductive layer) like most aftermarket performance wires will be one of the best upgrades over a factory set of wires. ![]()
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